Home / 500,023,594.44-689,967,123-288,338,243.58

Finding the Fourth Proportional to 500,023,594.44, 689,967,123 and 288,338,243.58

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Solution

The fourth proportional to 500,023,594.44, 689,967,123 and 288,338,243.58 is: 397,869,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,023,594.44 : 689,967,123 = 288,338,243.58 : x
  2. Step 2: Convert to fraction form
    500,023,594.44/689,967,123 = 288,338,243.58/x
  3. Step 3: Cross multiply
    500,023,594.44x = 689,967,123 × 288,338,243.58
  4. Step 4: Simplify right side
    500,023,594.44x = 198,943,908,373,765,824
  5. Step 5: Solve for x
    x = 198,943,908,373,765,824/500,023,594.44
  6. Step 6: Final answer
    x = 397,869,041.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.